i really need to pass lol

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj:

The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams

If there are 825 students at cherry hill high school and 4 out of every 5 students voted in the student council election, how many students voted?